19782256

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{95107}}^1$

素因数の和:95128

約数の個数: 20

約数和(自身を含む): 41276872

約数和(自身を除く): 21494616

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 95107, 190214, 380428, 760856, 1236391, 1521712, 2472782, 4945564, 9891128, 19782256]

約数ペア:

[(1, 19782256), (2, 9891128), (4, 4945564), (8, 2472782), (13, 1521712), (16, 1236391), (26, 760856), (52, 380428), (104, 190214), (208, 95107)]